/Engine/Source/Editor/UnrealEd/Public/EditorViewportClient.h
enum Category { CAT_PERSPECTIVE_KEYBOARD_WASD, CAT_PERSPECTIVE_KEYBOARD_UP_DOWN, CAT_PERSPECTIVE_KEYBOARD_FOV_ZOOM, CAT_PERSPECTIVE_MOUSE_PAN, CAT_PERSPECTIVE_MOUSE_DOLLY, CAT_PERSPECTIVE_MOUSE_SCROLL, CAT_PERSPECTIVE_MOUSE_ORBIT_ROTATION, CAT_PERSPECTIVE_MOUSE_ORBIT_PAN, CAT_PERSPECTIVE_MOUSE_ORBIT_ZOOM, CAT_PERSPECTIVE_GESTURE_SCROLL, CAT_PERSPECTIVE_GESTURE_MAGNIFY, CAT_ORTHOGRAPHIC_KEYBOARD_WASD, CAT_ORTHOGRAPHIC_KEYBOARD_UP_DOWN, CAT_ORTHOGRAPHIC_KEYBOARD_FOV_ZOOM, CAT_ORTHOGRAPHIC_MOUSE_PAN, CAT_ORTHOGRAPHIC_MOUSE_ZOOM, CAT_ORTHOGRAPHIC_MOUSE_SCROLL, CAT_ORTHOGRAPHIC_MOUSE_ORBIT_ROTATION, CAT_ORTHOGRAPHIC_MOUSE_ORBIT_PAN, CAT_ORTHOGRAPHIC_MOUSE_ORBIT_ZOOM, CAT_ORTHOGRAPHIC_GESTURE_SCROLL, CAT_ORTHOGRAPHIC_GESTURE_MAGNIFY, CAT_MAX, }